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My husband and I have iMacs, situated back to back, with just a wall between us. It has been setup like that for years. Only recently, my mouse appears on his screen!. any ideas on why? or what to do to correct it?

My husband and I have iMacs, situated back to back, with just a wall between us. It has been setup like that for years. Only recently, my mouse appears on his screen!. any ideas on why? or what to do to correct it?

iMac 21.5″, macOS 10.13

Posted on Mar 18, 2021 7:58 AM

Reply
Question marked as Top-ranking reply

Posted on Mar 18, 2021 9:37 AM

I agree, you may find the following useful:


The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!


  • Connect the USB keyboard and mouse to the computer.
  • Open System Preferences – Bluetooth
  • Un-pair the wireless keyboard and mouse.
  • Turn off Bluetooth
  • Restart the computer in Safe Mode per the directions in https://support.apple.com/en-us/HT201262
  • Restart the computer normally.
  • Open System Preferences – Bluetooth
  • Turn on Bluetooth
  • Re-Pair the wireless keyboard and mouse.
  • Unplug the USB keyboard and mouse and begin testing the wireless devices again.
4 replies
Question marked as Top-ranking reply

Mar 18, 2021 9:37 AM in response to ruthfromburlington

I agree, you may find the following useful:


The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!


  • Connect the USB keyboard and mouse to the computer.
  • Open System Preferences – Bluetooth
  • Un-pair the wireless keyboard and mouse.
  • Turn off Bluetooth
  • Restart the computer in Safe Mode per the directions in https://support.apple.com/en-us/HT201262
  • Restart the computer normally.
  • Open System Preferences – Bluetooth
  • Turn on Bluetooth
  • Re-Pair the wireless keyboard and mouse.
  • Unplug the USB keyboard and mouse and begin testing the wireless devices again.

My husband and I have iMacs, situated back to back, with just a wall between us. It has been setup like that for years. Only recently, my mouse appears on his screen!. any ideas on why? or what to do to correct it?

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